<%@ page contentType="text/html; charset=UTF-8"%>
<%
    String desc = (String)request.getParameter("desc");
    String error = (String)request.getAttribute(desc);
    if(error != null){
%>
        <font color=red>
            出错啦！
            <%=error%></font>
<br>
<br>
<%
    }
%>
